A student team examined parked cars in four different suburban shopping malls. One hundred vehicles ...

      A student team examined parked cars in four   different suburban shopping malls. One   hundred   vehicles were examined in each location. Research question: At a = .05,   does   vehicle type vary by mall location? (Data are from a project by MBA students   Steve   Bennett, Alicia Morais, Steve Olson, and Greg Corda.) Data to construct the   contingency   table are below   Car Minivan    Somerset:   63 Somerset: 21   Oakland:   49 Oakland: 15   Great   Lakes: 44 Great Lakes: 18   Jamestown:   46 Jamestown: 13   Full-sized Van SUV    Somerset:   2 Somerset: 27   Oakland:   3 Oakland: 19   Great   Lakes: 3 Great Lakes: 26   Jamestown:   2 Jamestown: 12   Truck    Somerset: 14    Oakland: 6    Great Lakes: 17    Jamestown: 9    

      Step 1: State the null and alternate   hypotheses          Step 2: Select a level of significance          Step 3: Identify the test statistic and   state its formula          Step 4: Formulate a decision rule          Step 5: Make a decision